add test for #respond_to? bug
add test for #respond_to? bug

cheezy/page-object,Donavan/page-object,irfanah/page-object,titusfortner/page-object,jkotests/page-object,vveliev/page-object,Donavan/page-object,titusfortner/page-object,drodriguezaltimetrik/page-object,vveliev/page-object,drodriguezaltimetrik/page-object,cheezy/page-object,jkotests/page-object,irfanah/page-object